尾矿石、尾矿砂是矿山开采的废弃物,不仅占用大量的场地,而且造成环境污染,同时由于目前河道及耕地的限制开采,使原有的砂石料资源更加紧张,混凝土生产成本加大,搅拌站资金运转困难,通过对尾矿石、尾矿砂的研究及应用,做到社会效益与经济效益的双丰收。 Tailings and tailing sand are the wastes extracted from mines. They not only occupy a large number of sites, but also cause environmental pollution. At the same time, due to the limited exploitation of current rivers and arable land, the existing sand and gravel resources are more tense, the cost of concrete production is increased, Station funds operating difficulties, through the tailings, tailings sand research and application, so that social and economic benefits of double harvest.